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18-3k
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18-3k
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12-2+9-\left(3k+1\right)
Add 8 and 4 to get 12.
10+9-\left(3k+1\right)
Subtract 2 from 12 to get 10.
19-\left(3k+1\right)
Add 10 and 9 to get 19.
19-3k-1
To find the opposite of 3k+1, find the opposite of each term.
18-3k
Subtract 1 from 19 to get 18.
12-2+9-\left(3k+1\right)
Add 8 and 4 to get 12.
10+9-\left(3k+1\right)
Subtract 2 from 12 to get 10.
19-\left(3k+1\right)
Add 10 and 9 to get 19.
19-3k-1
To find the opposite of 3k+1, find the opposite of each term.
18-3k
Subtract 1 from 19 to get 18.
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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